[INFO] cloning repository https://github.com/kevvz/rustcodec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevvz/rustcodec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevvz%2Frustcodec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevvz%2Frustcodec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fa81dc9b3c63a493d0c7f7cf86d29a284ba8232
[INFO] building kevvz/rustcodec against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevvz%2Frustcodec" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kevvz/rustcodec
[INFO] finished tweaking git repo https://github.com/kevvz/rustcodec
[INFO] tweaked toml for git repo https://github.com/kevvz/rustcodec written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevvz/rustcodec on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kevvz/rustcodec already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57b235d25e9f670a02be3908c4af2e2647ea4a04e17cd2e9d73cc9506e4233b2
[INFO] running `Command { std: "docker" "start" "-a" "57b235d25e9f670a02be3908c4af2e2647ea4a04e17cd2e9d73cc9506e4233b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57b235d25e9f670a02be3908c4af2e2647ea4a04e17cd2e9d73cc9506e4233b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b235d25e9f670a02be3908c4af2e2647ea4a04e17cd2e9d73cc9506e4233b2", kill_on_drop: false }`
[INFO] [stdout] 57b235d25e9f670a02be3908c4af2e2647ea4a04e17cd2e9d73cc9506e4233b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6030c4528e8de7d83b733a375ff3953fb932609f3e7ac60203777d4b5104fd72
[INFO] running `Command { std: "docker" "start" "-a" "6030c4528e8de7d83b733a375ff3953fb932609f3e7ac60203777d4b5104fd72", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling rustcodec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut video = encoder::read_frames(width,height);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut Y: Vec<u8> = Vec::with_capacity(width*height);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `U` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut U: Vec<f64> = Vec::with_capacity(width*height);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut V: Vec<f64> = Vec::with_capacity(width*height);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `uDS` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut uDS: Vec<u8> = Vec::with_capacity(width*height/4);
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `u_ds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vDS` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut vDS: Vec<u8> = Vec::with_capacity(width*height/4);
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `v_ds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `Command { std: "docker" "inspect" "6030c4528e8de7d83b733a375ff3953fb932609f3e7ac60203777d4b5104fd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6030c4528e8de7d83b733a375ff3953fb932609f3e7ac60203777d4b5104fd72", kill_on_drop: false }`
[INFO] [stdout] 6030c4528e8de7d83b733a375ff3953fb932609f3e7ac60203777d4b5104fd72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdec92fbafbdcac95dfb009b2ec3111fd3ad577dc009968d8cc18c4eb9c8a0ce
[INFO] running `Command { std: "docker" "start" "-a" "bdec92fbafbdcac95dfb009b2ec3111fd3ad577dc009968d8cc18c4eb9c8a0ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcodec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut video = encoder::read_frames(width,height);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut Y: Vec<u8> = Vec::with_capacity(width*height);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `U` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut U: Vec<f64> = Vec::with_capacity(width*height);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `V` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut V: Vec<f64> = Vec::with_capacity(width*height);
[INFO] [stdout]    |                 ^ help: convert the identifier to snake case (notice the capitalization): `v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `uDS` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut uDS: Vec<u8> = Vec::with_capacity(width*height/4);
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `u_ds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `vDS` should have a snake case name
[INFO] [stdout]   --> src/encoder/mod.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut vDS: Vec<u8> = Vec::with_capacity(width*height/4);
[INFO] [stdout]    |                 ^^^ help: convert the identifier to snake case: `v_ds`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "bdec92fbafbdcac95dfb009b2ec3111fd3ad577dc009968d8cc18c4eb9c8a0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdec92fbafbdcac95dfb009b2ec3111fd3ad577dc009968d8cc18c4eb9c8a0ce", kill_on_drop: false }`
[INFO] [stdout] bdec92fbafbdcac95dfb009b2ec3111fd3ad577dc009968d8cc18c4eb9c8a0ce
